/Engine/Plugins/Animation/MLDeformer/MLDeformerFramework/Source/MLDeformerFrameworkEditor/Public/MLDeformerEditorModel.h
This applies the right mesh deformer to the editor actors that have an ML Deformer component on them. Basically this just ensures that the heat map deformer graph is active when this is enabled. Otherwise the default mesh deformer is used.
virtual void UpdateDeformerGraph()